Which aspect of liability is not true?

The statement that liability is always proven before any claim is made is misleading, making it the correct choice. In the context of legal proceedings, liability does not have to be established before a claim can be filed. In fact, claims are often initiated based on the assertion that liability exists, and it is through the legal process that evidence is presented to prove or disprove the claim.

The other statements provide accurate representations of liability. Liability can indeed be claimed as existing based on the circumstances of a situation, and it is a concept that comes under legal scrutiny to determine accountability for actions or omissions. Furthermore, liability often pertains to negligence lawsuits, where proving that a party failed to take reasonable care resulting in harm is central to the case. Therefore, the assertion that liability must always be proven prior to a claim does not reflect how the legal system operates concerning liability.